function open_cmmain(){
	u_hideAllSections();
	u_safeShowElement('cmmain_div');
	//init_pomaintab();
	assignCmemoToMain();
	if(!isNavigationFromBackButton){
	var functionPointerObj = new Object();
	functionPointerObj.functionName = "open_cmmain()";
	navigationStateArray.push(functionPointerObj);
	}
	
}

function assignCmemoToDashBoard(){
	if(cmemor_yui_table_instance != null && cmemos_yui_table_instance != null ){
	invr_yui_table_instance.hideColumn("selectThis"); 
	invs_yui_table_instance.hideColumn("selectThis");
	YAHOO.util.Dom.insertAfter ( "cmemorecieved_div" , "cmemo_rec_yui_placeholder1") ;
	YAHOO.util.Dom.insertAfter ( "cmemosent_div" , "cmemo_sent_yui_placeholder1") ;
	}
}

function assignCmemoToMain(){
	if(cmemor_yui_table_instance != null && cmemos_yui_table_instance != null ){
	invr_yui_table_instance.showColumn("selectThis"); 
	invs_yui_table_instance.showColumn("selectThis");
	YAHOO.util.Dom.insertAfter ( "cmemorecieved_div" , "cmemo_rec_yui_placeholder2") ;
	YAHOO.util.Dom.insertAfter ( "cmemosent_div" , "cmemo_sent_yui_placeholder2") ;
	}
}